package com.hmdp.utils;



import com.auth0.jwt.JWT;
import com.auth0.jwt.algorithms.Algorithm;

import java.util.Date;
import java.util.Map;

public class JwtUtil {

    private static final String KEY = "jwt";

    //接收业务数据，生成token并返回
    public static String genToken(Map<String,Object>claims){
        return JWT.create().withClaim("claims",claims).withExpiresAt((new Date(System.currentTimeMillis() + 1000*60*60*12))).sign(Algorithm.HMAC256(KEY));
    }
    //接收token，验证token，并返回业务数据
    public static Map<String,Object> parseToken(String token){
        return JWT.require(Algorithm.HMAC256(KEY)).build().verify(token).getClaim("claims").asMap();
    }
}
